Home / 14,188.56-19,579.93-8,886.30

Finding the Fourth Proportional to 14,188.56, 19,579.93 and 8,886.30

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Solution

The fourth proportional to 14,188.56, 19,579.93 and 8,886.30 is: 12,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.56 : 19,579.93 = 8,886.30 : x
  2. Step 2: Convert to fraction form
    14,188.56/19,579.93 = 8,886.30/x
  3. Step 3: Cross multiply
    14,188.56x = 19,579.93 × 8,886.30
  4. Step 4: Simplify right side
    14,188.56x = 173,993,109.74
  5. Step 5: Solve for x
    x = 173,993,109.74/14,188.56
  6. Step 6: Final answer
    x = 12,262.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.